"Sun, 25 Aug 2024 14:11:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240825
Only TIME
14:11:15
General datetime
2024-08-25 14:11:15Z
For Database
2024-08-25 14:11:15
For HTTP1.1
Sun, 25 Aug 2024 14:11:15 GMT